|
12. |
Triathlon |
| |
12.1. |
General |
| |
|
The Triathlon is a
contest in which a single model/engine combination is flown in three
separate tasks.
The events are: |
|
|
|
12.1.1. |
Stunt - flown to
Vintage Stunt pattern |
| |
|
12.1.2. |
Rat Race - Similar to
2.5cc Simple Rat Race |
| |
|
12.1.3. |
Combat - Similar to
2.5cc Simple Combat |
| |
12.2. |
Circle Layout |
| |
|
The layout shall
consist of 2 concentric circles which shall be marked out on grass. |
| |
|
12.2.1. |
The pitting circle:
Radius 19.6 metres |
| |
|
12.2.2. |
The centre circle:
Radius 3 metres |
| |
12.3. |
Characteristics of
a Triathlon model |
| |
|
12.3.1. |
Maximum Engine
capacity: 2.5 cc |
| |
|
12.3.2. |
Engine shall be an
unmodified, non racing engine. The following engines are currently
acceptable. |
| |
|
|
12.3.2.1. |
Plain Bearing: O.S,
Enya, PAW, Thunder Tiger, Taipan, Webra and Silver Swallow. |
| |
|
|
12.3.2.2. |
Ball Race: Taipan BR
diesel, PAW SBR, PAW TBR and Oliver Tiger. (Note: Ball Race engines
must use a 200mm (8") diameter or larger propeller. |
| |
|
12.3.3. |
A commercially
available wood, nylon or glass reinforced nylon propeller must be
used. (ie no Carbon or Glass Epoxy props eg Bolly, Supercool etc) |
| |
|
12.3.4. |
Model design is
unrestricted but engines shall be uncowled and the model must be
fitted with a fixed undercarriage for take-off and landing. |
| |
|
12.3.5. |
Fuel system shall be
suction feed only. No crankcase pressure, bladders or pacifiers are
permitted. |
| |
|
12.3.6. |
Fuel cut-outs are not
permitted. |
| |
12.4. |
Control Systems |
| |
|
12.4.1. |
Line Length: The
length of the control lines must be 15.92m +100 -0mm. The length is
measured from the face of the grip on the control handle to the
centre line of the model. |
| |
|
12.4.2. |
Control lines: two
multi-strand control line wires of a minimum diameter of 0.3mm must
be used. |
| |
|
12.4.3. |
Line test: A pull test
of 20g shall be applied for 5 seconds to the model/line combination. |
| |
12.5. |
Number of Models |
| |
|
12.5.1. |
A contestant may enter
and use only one model to complete the three tasks. |
| |
12.6. |
Conduct of Event |
| |
|
12.6.1. |
Aerobatics: The
aerobatics task shall be flow and scored according to the vintage
stunt pattern. |
| |
|
|
12.6.1.1. |
Starting and Take-off |
| |
|
|
12.6.1.2. |
Level Flight |
| |
|
|
12.6.1.3. |
Climb and Dive |
| |
|
|
12.6.1.4. |
Wingover |
| |
|
|
12.6.1.5. |
3 Inside Loops |
| |
|
|
12.6.1.6. |
Inverted flight (2
laps) |
| |
|
|
12.6.1.7. |
3 Outside Loops |
| |
|
|
12.6.1.8. |
2 Lazy Eights |
| |
|
|
12.6.1.9. |
Landing |
| |
|
12.6.2. |
Rat Race: Rat race
shall consist of 1 heat of 5 minutes duration. |
| |
|
|
12.6.2.1. |
Whipping is not
permitted except on take-off and landing. |
| |
|
|
12.6.2.2. |
The model must make 1
compulsory pitstop |
| |
|
|
12.6.2.3. |
4 up heats may be
flown at the C.D's discretion. |
| |
|
12.6.3. |
Combat: Combat
shall consist of 1 bout only. |
| |
|
|
12.6.3.1. |
4 minutes duration
with 1 minute preparation period prior to signal for launch. |
| |
|
|
12.6.3.2. |
100 Points scored for
each cut. |
| |
|
|
12.6.3.3. |
1 Point for each
second of airtime. |
| |
|
|
12.6.3.4. |
If during a bout, one
model fails to leave the ground, the other models pilot may elect to
accept his accumulated airtime, or request to re fly against the
same competitor. The points gained in the re fly become the score
for the bout. |
| |
|
|
12.6.3.5. |
In the event of an odd
number of competitors, one competitor drawn randomly (from the
competitors with models still able to fly) will be asked to fly
again. The competitor so concerned will have the option of taking
the score from either of his/her bouts. |
| |
12.7. |
Contest Scoring |
| |
|
12.7.1. |
For each segment (ie
Stunt, Rat, Combat) points will be allocated as follows:
Where N=Number of Entries |
| |
|
|
1st Place |
= N Points |
| |
|
|
2nd Place |
= N-1 Points |
| |
|
|
3rd Place |
= N-2 Points |
| |
|
|
........ |
|
| |
|
|
Nth Place |
= 1 Point |
| |
|
|
Notes: |
| |
|
|
12.7.1.1. |
A non-starter in any
task receives 0 points. |
| |
|
|
12.7.1.2. |
Combat is divided into
Wins/Losses before score is used to calculate points. eg Competitor
with 200 points and a win, scores higher than competitor with 400
points and a loss. |
| |
12.8. |
Winner of Contest |
| |
|
12.8.1. |
The contest winner, is
the competitor who has scored the highest aggregate points for all
three tasks in the Triathlon. |
| |
|
12.8.2. |
Ties for 1st, 2nd or
3rd can be broken with a fly-off in the combat task at the
discretion of the competitors concerned. |
| |
12.9. |
Safety |
| |
|
12.9.1. |
Rat Race |
| |
|
|
12.9.1.1. |
Mechanics must wear a
safety helmet fitted with a chin strap worn under the chin. |
| |
|
|
12.9.1.2. |
Pitting segments must
be used at all times. |
| |
|
|
12.9.1.3. |
Landing models shall
clear the lines of models being pitted by at least 200mm. |
| |
|
|
12.9.1.4. |
Piloting style is
"very relaxed", however pilots should observe good race practice. |
| |
|
|
|
12.9.1.4.1. Walk in a
forward direction only |
| |
|
|
|
12.9.1.4.2. Crouch
when your model is being pitted |
| |
|
|
|
12.9.1.4.3. Remain
inside the centre circle at all times. (One foot can be placed
outside when the mechanic has retrieved the model) |
| |
|
|
|
12.9.1.4.4. Take-off
smoothly, ie no wingovers on take-off. |
| |
|
|
|
12.9.1.4.5. Don't
obstruct other teams from flying/overtaking normally. |
| |
|
12.9.2. |
Combat |
| |
|
|
12.9.2.1. |
Mechanics must wear a
safety helmet fitted with a chin strap worn under the chin. Pilots
must wear a helmet if they leave the centre circle during the bout. |
| |
|
|
12.9.2.2. |
Models must be
withdrawn outside the safety circle before servicing during the
combat bout. |
| |
|
|
12.9.2.3. |
Mechanics must enter
the circle radially to retrieve a model. ie running across the
circle is not permitted. |